Question

Умоляю, помогите!!!!!

Answer 1

1) K₂O + H₂O = 2KOH
2) K₂O + 2HNO₃ = 2KNO₃ + H₂O
3) KOH + HNO₃ = KNO₃ + H₂O
K⁺ + OH⁻ + H⁺+ NO₃⁻ = K⁺ + NO₃⁻ + H₂O
H⁺ + OH⁻ = H₂O
4) 2KOH + H₂SO₄ = K₂SO₄ + 2H₂O
2K⁺ + 2OH⁻ + 2H⁺ + SO₄²⁻ = 2K⁺ + SO₄²⁻+ 2H₂O
2H⁺ + 2OH⁻ = 2H₂O